EP0151753A3 - Method and device for monitoring the liquid level in a vehicle tank - Google Patents
Method and device for monitoring the liquid level in a vehicle tank Download PDFInfo
- Publication number
- EP0151753A3 EP0151753A3 EP84115378A EP84115378A EP0151753A3 EP 0151753 A3 EP0151753 A3 EP 0151753A3 EP 84115378 A EP84115378 A EP 84115378A EP 84115378 A EP84115378 A EP 84115378A EP 0151753 A3 EP0151753 A3 EP 0151753A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- monitoring
- liquid level
- vehicle tank
- tank
- vehicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000007788 liquid Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000012544 monitoring process Methods 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
- G01F23/2962—Measuring transit time of reflected waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/80—Arrangements for signal processing
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843405080 DE3405080A1 (en) | 1984-02-13 | 1984-02-13 | METHOD AND DEVICE FOR MONITORING THE LIQUID VOLUME IN THE TANK OF A VEHICLE |
DE3405080 | 1984-02-13 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0151753A2 EP0151753A2 (en) | 1985-08-21 |
EP0151753A3 true EP0151753A3 (en) | 1985-09-18 |
EP0151753B1 EP0151753B1 (en) | 1988-05-04 |
Family
ID=6227582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP84115378A Expired EP0151753B1 (en) | 1984-02-13 | 1984-12-13 | Method and device for monitoring the liquid level in a vehicle tank |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0151753B1 (en) |
DE (2) | DE3405080A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4850226A (en) * | 1988-02-08 | 1989-07-25 | Pandel Instruments, Inc. | Interface circuit for use in an echo ranging system |
GB8805105D0 (en) * | 1988-03-03 | 1988-03-30 | Scan Technologies Ltd | Improvements relating to instruments |
BE1002682A3 (en) * | 1988-12-29 | 1991-04-30 | B & R Internat | Method and device for measuring at least one parameter of a fluid in a tank |
DE4014990A1 (en) * | 1990-05-10 | 1991-11-14 | Herbert Prof Dr Zott | Liquid lever measurement arrangement - uses ultrasonic pulse reflection from surface and transition time measurement for use with moving or static liquid e.g. in vehicle fuel tank |
US5880364A (en) * | 1997-10-31 | 1999-03-09 | Cosense, Inc. | Non-contact ultrasonic micromeasurement system |
SE9900369D0 (en) | 1999-02-04 | 1999-02-04 | Siemens Elema Ab | Ultrasonic nebuliser |
DE10005814A1 (en) * | 2000-02-10 | 2001-08-16 | Bedia Motorentechnik Gmbh | Checking liquid level measured by electronic level sensor involves activating first display if level difference less than/equal to defined value, second display if greater than/equal to level |
US8412473B2 (en) * | 2011-04-11 | 2013-04-02 | Schmitt Industries, Inc. | Event monitoring and detection in liquid level monitoring system |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1354415A (en) * | 1963-04-01 | 1964-03-06 | Burnett & Rolfe Ltd | Advanced device for measuring the amount of liquid in a tank |
GB1377054A (en) * | 1973-07-24 | 1974-12-11 | Ford Motor Co | Vehicle fuel level indicating systems |
US4306525A (en) * | 1980-05-12 | 1981-12-22 | General Motors Corporation | Engine oil indicator |
DE3032177A1 (en) * | 1980-08-26 | 1982-03-11 | Vega Vertrieb und Fertigung elektronischer Geräte und Apparate Grieshaber KG, 7620 Wolfach | Time level measurement of sonic or ultrasonic transition - performs dead-time adjustment involving amplitude monitoring and gain variation |
GB2100431A (en) * | 1981-06-15 | 1982-12-22 | Atomic Energy Authority Uk | Detection of ultrasonic signals from disturbed liquid interfaces or surfaces |
EP0094298A2 (en) * | 1982-05-07 | 1983-11-16 | Regie Nationale Des Usines Renault | Method and apparatus for measuring the liquid level in a vehicle tank |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5784316A (en) * | 1980-11-14 | 1982-05-26 | Honda Motor Co Ltd | Device for displaying engine oil level for automobile |
-
1984
- 1984-02-13 DE DE19843405080 patent/DE3405080A1/en not_active Withdrawn
- 1984-12-13 EP EP84115378A patent/EP0151753B1/en not_active Expired
- 1984-12-13 DE DE8484115378T patent/DE3470951D1/en not_active Expired
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1354415A (en) * | 1963-04-01 | 1964-03-06 | Burnett & Rolfe Ltd | Advanced device for measuring the amount of liquid in a tank |
GB1377054A (en) * | 1973-07-24 | 1974-12-11 | Ford Motor Co | Vehicle fuel level indicating systems |
US4306525A (en) * | 1980-05-12 | 1981-12-22 | General Motors Corporation | Engine oil indicator |
DE3032177A1 (en) * | 1980-08-26 | 1982-03-11 | Vega Vertrieb und Fertigung elektronischer Geräte und Apparate Grieshaber KG, 7620 Wolfach | Time level measurement of sonic or ultrasonic transition - performs dead-time adjustment involving amplitude monitoring and gain variation |
GB2100431A (en) * | 1981-06-15 | 1982-12-22 | Atomic Energy Authority Uk | Detection of ultrasonic signals from disturbed liquid interfaces or surfaces |
EP0094298A2 (en) * | 1982-05-07 | 1983-11-16 | Regie Nationale Des Usines Renault | Method and apparatus for measuring the liquid level in a vehicle tank |
Non-Patent Citations (1)
Title |
---|
PATENTS ABSTRACTS OF JAPAN, Band 6, Nr. 166 (P-138)[1044], 31. August 1982; & JP-A-57 084 316 (HODA GIKEN KOGYO K.K.) 26.05.1982 * |
Also Published As
Publication number | Publication date |
---|---|
DE3470951D1 (en) | 1988-06-09 |
EP0151753A2 (en) | 1985-08-21 |
DE3405080A1 (en) | 1985-08-14 |
EP0151753B1 (en) | 1988-05-04 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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PUAL | Search report despatched |
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AK | Designated contracting states |
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AK | Designated contracting states |
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17P | Request for examination filed |
Effective date: 19860307 |
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17Q | First examination report despatched |
Effective date: 19870130 |
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D17Q | First examination report despatched (deleted) | ||
GRAA | (expected) grant |
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AK | Designated contracting states |
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GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) | ||
REF | Corresponds to: |
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ET | Fr: translation filed | ||
ITF | It: translation for a ep patent filed | ||
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26 | Opposition filed |
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27W | Patent revoked |
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